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Teenagers Plead Guilty to £39M Cyber Attack on Transport for London

Teenagers Plead Guilty to £39M Cyber Attack on Transport for London

First seen 22 Jun 2026, 16:26 UTC

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ThreatCluster AI
ThreatCluster June 23, 2026 at 16:22 UTC
  • Jubair and Flowers admitted to a £39 million cyber attack on TfL, affecting 10 million customers.
  • The attack disrupted key services, including live Tube information and payment systems.
  • Both hackers are linked to the Scattered Spider group and face sentencing on July 15, 2026.

Thalha Jubair, 20, and Owen Flowers, 18, have pleaded guilty to a cyber attack on Transport for London (TfL) that occurred between August 29 and September 6, 2024. The attack, attributed to the Scattered Spider hacking group, caused an estimated £39 million in damages and disrupted services for approximately 10 million customers. Key features of the TfL Go app and website were compromised, preventing users from accessing live Tube information and making payments. The attack forced all 28,000 TfL employees to reset their passwords and impacted customer refund systems. Flowers also admitted to hacking two US healthcare companies. Both individuals are set to be sentenced on July 15, 2026.

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Timeline

2024-08-29
TfL cyber attack begins
The cyber attack on Transport for London commenced, leading to significant disruptions and financial losses.
Dailymail
2024-09-01
TfL identifies cyber attack
Transport for London confirmed a cyber attack had compromised their systems, affecting customer services.
ITV
2024-09-16
Jubair and Flowers arrested
The National Crime Agency arrested Thalha Jubair and Owen Flowers in connection with the TfL cyber attack.
Nationalcrimeagency.Uk
2026-06-22
Guilty pleas entered
Jubair and Flowers changed their pleas to guilty on the first day of their trial at Woolwich Crown Court.
Telegraph
2026-07-15
Sentencing hearing scheduled
The sentencing for Jubair and Flowers is set to take place over two days starting July 15, 2026.
BBC

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